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Finding the max value of an attribute in an array of objects
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also it's good to know that it returns -Infinity (a truthy value) for an empty array
– icl7126
Nov 6 '16 at 13:08
1
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What are sessions? How do they work?
... to store that data server side, give it an "id", and let the client only know (and pass back at every http request) that id. There you go, sessions implemented. Or you can use the client as a convenient remote storage, but you would encrypt the data and keep the secret server-side.
Of course there...
Why isn't `int pow(int base, int exponent)` in the standard C++ libraries?
...ults, but we've ascertained that it's at least one-quarter of all inputs.
Now let's look at a fixed-width (i.e. non-bignum) integer power function. For what portion inputs does it not simply overflow? To maximize the number of meaningful input pairs, the base should be signed and the exponent uns...
What's the “big idea” behind compojure routes?
...s (the code is entirely self-documenting here).
Let's try using defroutes now:
(defroutes example-routes
(GET "/" [] "get")
(HEAD "/" [] "head"))
The responses to the example request displayed above and to its variant with :request-method :head are like expected.
The inner workings of examp...
How do I run Redis on Windows?
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looks like work stopped at 3.2 pre-release but redis is now on 4.0
– BaltoStar
Nov 20 '17 at 18:08
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Cleaning up sinon stubs easily
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If you are using sinon >5.0 read below. There's now a much easier method: stackoverflow.com/a/55251560/4464702
– RAnders00
Jul 5 '19 at 22:42
add a ...
Default parameters with C++ constructors [closed]
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And now, 5 years later, C++11 has added delegating constructors and default member initialization in the class definition, making the default parameter workaround unnecessary: en.wikipedia.org/wiki/C%2B%2B11#Object_construction_i...
get all keys set in memcached
...t command to memcached. I modified your command to this and works properly now: echo -e "stats items\nquit" | nc localhost 11211 | grep -oe ':[0-9]*:' | grep -oe '[0-9]*' | sort | uniq | xargs -L1 -I{} bash -c 'echo -e "stats cachedump {} 1000\nquit" | nc localhost 11211' Thanks for sharing this!...
C++ static virtual members?
...what would happen when you called Object::GetTypeInformation()? It can't know which derived class version to call since there's no object associated with it.
You'll have to make it a non-static virtual function to work properly; if you also want to be able to call a specific derived class's versio...
vertical align middle in
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I have needed to know this simple line-height solution my entire professional life and only learned of it now. Thank you, Mr. Alien.
– Nathan Beach
Nov 30 '18 at 19:30
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